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I am new(ish) to the scene of HIDs. I purchased a cheap set a LONG time ago for my Honda and it lasted forever. More recently I purchased a 2018 Tucson and wanted to install a higher quality HID system. I went with the H7 Morimoto Elite 5500k w/HD relay. I completed the install yesterday (correctly I believe?) and it seemed to be fine post install when I ran a few tests in the garage. No flickering or strobing. The only "issue" I was facing is that my car now warns me to check my low beams. I am assuming switching from HD relay to CANBUS will fix that issue but wanted other's input before making the swap.

The other issue with flickering I noticed today when my headlights came on (they're currently set to auto). I noticed the left bulb started flickering then proceeded to strobe. This lasted about 30ish seconds before it seemed to be stable. I shortly turned my car off after this because I was needing to get to work.

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I believe both, reason I say that is it will load the signal from the vehicle (meaning you will have a strong signal) to allow the lights to function correctly and the vehicle will think their is a bulb connected so the low beam indicator will go out.

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I believe both, reason I say that is it will load the signal from the vehicle (meaning you will have a strong signal) to allow the lights to function correctly and the vehicle will think their is a bulb connected so the low beam indicator will go out.

Are you currently using an HD relay with a single OEM hookup? My "concern" is the low beam indicator is alerting because only 1 OEM connector is connected up. One other thing I noticed is that the low beam flicker/strobe occurs when the foglights are on. Haven't fully tested this theory but something I briefly noticed when turning off my car today.

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Are you currently using an HD relay with a single OEM hookup? My "concern" is the low beam indicator is alerting because only 1 OEM connector is connected up. One other thing I noticed is that the low beam flicker/strobe occurs when the foglights are on. Haven't fully tested this theory but something I briefly noticed when turning off my car today.

I am using a HD relay with only one single OEM hookup as well. On the other side you can install the resistors as well, as the kit comes with two full sets (4 resistors total) and leave the plug enpty after the resistors. This way the hookup side is sending signal to the HIDs and the "empty" side is loading resistors that are providing similar feedback to the car as if there was a bulb in it.

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UPDATE:
I called Theretrofitsource and worked with their customer service to get an order for CANBUS relays. I must say the support their is phenomenal. Super friendly and helpful. If you guys haven't worked with them yet I would 100% recommend them.

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Should work perfect. It is exactly what I mentioned. Resistors inline with the vehicle input and the capacitor provides the storage to have good power to the ballasts at all time. Decent price as well.